| What it does | Frontier Red Team Lab for LLM Safety
| Free AI character chat and roleplay with no sign-up
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| Stage | Startup
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
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| Pricing | Free: $0 with 30,000 daily tokens; Plus: $5.99/month with 80,000 daily tokens; Standard: $19.99/month with 265,000 daily tokens; Pro: $49.99/month with 665,000 daily tokens. Cryptocurrency payment offers 2 months access for 1 month payment.
| Free: Hojicha unlimited, 3 Matcha replies a day in most countries, free and unlimited direct messages with any character, short ads. Teasa Basic: $9.90 per month, no ads, 1,000 Matcha replies a week. Teasa Pass: $14.99 per month at beta price (or $4.99 per week), Matcha and Earl Grey unlimited, web
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| Key features | - DarkEval Benchmark - proprietary adversarial evaluation system with 96% exploit coverage
- Memory - context-aware conversations saving approximately 40% on token usage
- Web search capability across platform
- Transparent reasoning and chain-of-thought visibility
- Compliance mapping to NIST AI RMF, ISO/IEC 23894, and SOC 2
- Tool calling and JSON output support
- Multiple open-weight frontier models available
- Enterprise-grade reporting and team analytics
| - Play interactive stories with multiple AI characters in a cast
- Direct message any AI character one-on-one
- Relationship milestones track connection progress with characters
- Creator-written quests earn up to 50 gold per story
- Four chat styles: Hojicha, Matcha, Earl Grey and Oolong
- Character voices with 2-4 hours monthly on paid plans
- Create your own AI characters and stories in Creator Studio
- Import Character.AI chats and characters
- Web lookup for characters to search and share sources
- Play 4,137 stories in English across 9 languages
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| What makes it different | - Constraints-relaxed models uniquely capable of detecting vulnerabilities other filtered AI systems cannot
- Sandboxed environment ensuring all testing is isolated, logged, and auditable
- Purpose-built for professional red-teaming with enterprise compliance capabilities
- Free tier available with no credit card required for getting started
| - No sign-up required to start playing
- Completely free with unlimited direct messages
- Characters remember you and grow closer through relationship milestones
- Interactive stories with player agency and multiple characters
- Available across web, iOS, Android and Windows
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 42 ▼ −1 (down) since last check | 16 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 19 | 13 |
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| Citation Flow (Majestic) | 33 | 34 |
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| Referring domains (Majestic) | 382 | 61 |
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Shannon AI
Teasa